/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.iotdb.db.metadata.tagSchemaRegion.tagIndex.memtable;

import org.roaringbitmap.RoaringBitmap;

/**
 * used to manage the device id collection
 */
public class MemChunk {

    // manage the device id collection, see: https://github.com/RoaringBitmap/RoaringBitmap
    private RoaringBitmap roaringBitmap;

    public MemChunk() {
        roaringBitmap = new RoaringBitmap();
    }

    public boolean isEmpty() {
        if (roaringBitmap == null) return true;
        return roaringBitmap.isEmpty();
    }

    @Override
    public String toString() {
        return roaringBitmap.toString();
    }

    public void put(int id) {
        roaringBitmap.add(id);
    }

    public void remove(int id) {
        roaringBitmap.remove(id);
    }

    public RoaringBitmap getRoaringBitmap() {
        return this.roaringBitmap;
    }
}
